SEE for Chrome
More About SEE
For example, you could see what your website looks like for a colour blind person. Which might convince you to change the contrast in your design.
SEE is a product by Q42, created by Johan Huijkman and Marcel Duin. If you have any questions or just want to share your thoughts you can reach us at:
Or visit our website at q42.nl (Dutch) or q42.com (English).
You can download the source code at http://github.com/Q42/SEE. Or even better, improve it and do a pull request!
* It can overwrite certain used CSS transforms/filters which can break your site while using it
* It doesn't work on certain websites with complex CSS/DOM models
* Not all effects work on Flash or canvas objects within a page
* When installed reload the current page to get it to work (only the first time)